How many people survived the Oso landslide?
nine people
This is Tim Ward’s story of healing. He is one of nine people who survived the massive mudslide near Oso, WA on the morning of March 22, 2014. Forty-three people died in the slide, including Ward’s wife. Ward was part of our survivor’s support group.
How many people died in the Oso event?
On March 22, 2014, 43 people die when a portion of a hill suddenly collapses and buries a neighborhood in the small community of Oso, Washington, some 55 miles northeast of Seattle. It was one of the deadliest mudslides in U.S. history.
How many homes were destroyed in the Oso landslide?
Landslide debris blocked the North Fork Stillaguamish River, destroyed about 40 homes and other structures, and buried nearly a mile of State Route 530. Most tragically, it caused 43 fatalities in the community of Steelhead Haven near Oso, Washington.
How many people were killed in the Oso mudslide?
432014 Oso mudslide / Number of deaths
How long did the Oso landslide last?
approximately 2.5 minutes
Ground vibrations generated by the Oso landslide were recorded at several regional stations and subsequently analyzed by the Pacific Northwest Seismic Network (PNSN). The initial collapse began at 10:37:22 a.m. local time (PDT; 17:37:22 UTC), lasting approximately 2.5 minutes.
How fast was the Oso slide estimated to have moved?
USGS research indicates that the landslide’s average speed was about 40 miles per hour, with maximum speeds likely even higher. The area overrun by the landslide was about one half square mile, and the landslide moved about 18 million tons of sand, till, and clay.
How fast did the Oso landslide travel?
How could the Oso mudslide have been avoided?
Yes, the slope could probably be stabilized, by some combination of subsurface drainage, diversion structures and slope reconstruction. In such a location, local government can and should prohibit new development, unless the slope is made to be safe.